267 follower count

[danielordaan]

closes #267

What is it supposed to do
The amount of followers a user has is now visible in the statistics section of the page.

How can we test your branch
(Un)follow certain users and refresh the page to see their amount of followers increase (or decrease)

1. General checklist

• [x] a. Tested happy flow.
• [x] b. Tested unhappy flow.
• [x] c. No unexpected exceptions.
• [x] d. No code with high complexity. (Big O)
• [x] e. EOF newline.
• [x] f. No floating comma's and spaces.
• [x] g. No unexpected/unhandled errors.
• [x] h. Lines no longer than 'guideline' in IDE.
• [x] i. Correct indentation.
• [x] j. No usage of legacy functionalities.
• [x] k. (JS) Curly braces on the sameline as reserved keywords (if () { instead of { on line below)
• [x] l. (JS) No double quotes.
• [x] m. (JS) Single newline above unique code structures and reserved keywords.
• [x] n. (JS) Variables bundled where possible.
• [x] o. (JS) No semi-colons except where they have a functional necessity, such as for-loops.
• [x] p. (JS) No code that is meant exclusively for development, such as console.logs for data preview.

2. If relevant, front-end checklist

• [ ] a. Responsive. (Desktop all the way to mobile 320px)
• [ ] b. Using SCSS variables where relevant.
• [ ] c. Relevant class names
• [ ] d. No modified global SCSS properties, except if necessary and fully tested the impact.
• [ ] e. Checked caniuse for more modern CSS properties.

No styling changes made

3. If relevant, back-end checklist

• [x] a. No unhandled promise rejections.
• [x] b. Seeders still functional.
• [x] c. No primary-key violations.
• [x] d. Normalization, atleast 3NF.
• [x] e. Used guards (middleware) where necessary and tested if route is guarded.

4. If relevant, test these browsers

• [ ] a. Chrome
• [ ] b. Firefox
• [ ] c. Opera
• [ ] d. Edge
• [ ] e. Safari

No styling changes made

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2. Select atleast two reviewers.
3. Assign all reviewers allowed to merge the branch, including yourself.
4. If relevant to the sprint, put related issue in 'Awaiting Approval' column on project board.
5. Add to the corresponding milestone.

Reviewer info
1. You can use aliases to refer to specific PR checklist items. For example 'Hey @JohnDoe, for this line please check 3.a and 1.d.'
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[AjobK]

Remove follower counter from 'Statistics' and add it above 'Description'.

When (un)following use cb function to adjust follower count dynamically